/**

 @Name : layDate 5.0.9 日期时间控件
 @Author: 贤心
 @Site：http://www.layui.com/laydate/
 @License：MIT

 */

;!function(){
    "use strict";

    var isLayui = window.layui && layui.define, ready = {
            getPath: function(){
                var jsPath = document.currentScript ? document.currentScript.src : function(){
                    var js = document.scripts
                        ,last = js.length - 1
                        ,src;
                    for(var i = last; i > 0; i--){
                        if(js[i].readyState === 'interactive'){
                            src = js[i].src;
                            break;
                        }
                    }
                    return src || js[last].src;
                }();
                return jsPath.substring(0, jsPath.lastIndexOf('/') + 1);
            }()

            //获取节点的style属性值
            ,getStyle: function(node, name){
                var style = node.currentStyle ? node.currentStyle : window.getComputedStyle(node, null);
                return style[style.getPropertyValue ? 'getPropertyValue' : 'getAttribute'](name);
            }

            //载入CSS配件
            ,link: function(href, fn, cssname){

                //未设置路径，则不主动加载css
                if(!laydate.path) return;

                var head = document.getElementsByTagName("head")[0], link = document.createElement('link');
                if(typeof fn === 'string') cssname = fn;
                var app = (cssname || href).replace(/\.|\//g, '');
                var id = 'layuicss-'+ app, timeout = 0;

                link.rel = 'stylesheet';
                link.href = laydate.path + href;
                link.id = id;

                if(!document.getElementById(id)){
                    head.appendChild(link);
                }

                if(typeof fn !== 'function') return;

                //轮询css是否加载完毕
                (function poll() {
                    if(++timeout > 8 * 1000 / 100){
                        return window.console && console.error('laydate.css: Invalid');
                    };
                    parseInt(ready.getStyle(document.getElementById(id), 'width')) === 1989 ? fn() : setTimeout(poll, 100);
                }());
            }
        }

        ,laydate = {
            v: '5.0.9'
            ,config: {} //全局配置项
            ,index: (window.laydate && window.laydate.v) ? 100000 : 0
            ,path: ready.getPath

            //设置全局项
            ,set: function(options){
                var that = this;
                that.config = lay.extend({}, that.config, options);
                return that;
            }

            //主体CSS等待事件
            ,ready: function(fn){
                var cssname = 'laydate', ver = ''
                    ,path = (isLayui ? 'modules/laydate/' : 'theme/') + 'default/laydate.css?v='+ laydate.v + ver;
                isLayui ? layui.addcss(path, fn, cssname) : ready.link(path, fn, cssname);
                return this;
            }
        }

        //操作当前实例
        ,thisDate = function(){
            var that = this;
            return {
                //提示框
                hint: function(content){
                    that.hint.call(that, content);
                }
                ,config: that.config
            };
        }

        //字符常量
        ,MOD_NAME = 'laydate', ELEM = '.layui-laydate', THIS = 'layui-this', SHOW = 'layui-show', HIDE = 'layui-hide', DISABLED = 'laydate-disabled', TIPS_OUT = '开始日期超出了结束日期<br>建议重新选择', LIMIT_YEAR = [100, 200000]

        ,ELEM_STATIC = 'layui-laydate-static', ELEM_LIST = 'layui-laydate-list', ELEM_SELECTED = 'laydate-selected', ELEM_HINT = 'layui-laydate-hint', ELEM_PREV = 'laydate-day-prev', ELEM_NEXT = 'laydate-day-next', ELEM_FOOTER = 'layui-laydate-footer', ELEM_CONFIRM = '.laydate-btns-confirm', ELEM_TIME_TEXT = 'laydate-time-text', ELEM_TIME_BTN = '.laydate-btns-time'

        //组件构造器
        ,Class = function(options){
            var that = this;
            that.index = ++laydate.index;
            that.config = lay.extend({}, that.config, laydate.config, options);
            laydate.ready(function(){
                that.init();
            });
        }

        //DOM查找
        ,lay = function(selector){
            return new LAY(selector);
        }

        //DOM构造器
        ,LAY = function(selector){
            var index = 0
                ,nativeDOM = typeof selector === 'object' ? [selector] : (
                this.selector = selector
                    ,document.querySelectorAll(selector || null)
            );
            for(; index < nativeDOM.length; index++){
                this.push(nativeDOM[index]);
            }
        };


    /*
     lay对象操作
     */

    LAY.prototype = [];
    LAY.prototype.constructor = LAY;

    //普通对象深度扩展
    lay.extend = function(){
        var ai = 1, args = arguments
            ,clone = function(target, obj){
            target = target || (obj.constructor === Array ? [] : {});
            for(var i in obj){
                //如果值为对象，则进入递归，继续深度合并
                target[i] = (obj[i] && (obj[i].constructor === Object))
                    ? clone(target[i], obj[i])
                    : obj[i];
            }
            return target;
        }

        args[0] = typeof args[0] === 'object' ? args[0] : {};

        for(; ai < args.length; ai++){
            if(typeof args[ai] === 'object'){
                clone(args[0], args[ai])
            }
        }
        return args[0];
    };

    //ie版本
    lay.ie = function(){
        var agent = navigator.userAgent.toLowerCase();
        return (!!window.ActiveXObject || "ActiveXObject" in window) ? (
            (agent.match(/msie\s(\d+)/) || [])[1] || '11' //由于ie11并没有msie的标识
        ) : false;
    }();

    //中止冒泡
    lay.stope = function(e){
        e = e || window.event;
        e.stopPropagation
            ? e.stopPropagation()
            : e.cancelBubble = true;
    };

    //对象遍历
    lay.each = function(obj, fn){
        var key
            ,that = this;
        if(typeof fn !== 'function') return that;
        obj = obj || [];
        if(obj.constructor === Object){
            for(key in obj){
                if(fn.call(obj[key], key, obj[key])) break;
            }
        } else {
            for(key = 0; key < obj.length; key++){
                if(fn.call(obj[key], key, obj[key])) break;
            }
        }
        return that;
    };

    //数字前置补零
    lay.digit = function(num, length, end){
        var str = '';
        num = String(num);
        length = length || 2;
        for(var i = num.length; i < length; i++){
            str += '0';
        }
        return num < Math.pow(10, length) ? str + (num|0) : num;
    };

    //创建元素
    lay.elem = function(elemName, attr){
        var elem = document.createElement(elemName);
        lay.each(attr || {}, function(key, value){
            elem.setAttribute(key, value);
        });
        return elem;
    };

    //追加字符
    LAY.addStr = function(str, new_str){
        str = str.replace(/\s+/, ' ');
        new_str = new_str.replace(/\s+/, ' ').split(' ');
        lay.each(new_str, function(ii, item){
            if(!new RegExp('\\b'+ item + '\\b').test(str)){
                str = str + ' ' + item;
            }
        });
        return str.replace(/^\s|\s$/, '');
    };

    //移除值
    LAY.removeStr = function(str, new_str){
        str = str.replace(/\s+/, ' ');
        new_str = new_str.replace(/\s+/, ' ').split(' ');
        lay.each(new_str, function(ii, item){
            var exp = new RegExp('\\b'+ item + '\\b')
            if(exp.test(str)){
                str = str.replace(exp, '');
            }
        });
        return str.replace(/\s+/, ' ').replace(/^\s|\s$/, '');
    };

    //查找子元素
    LAY.prototype.find = function(selector){
        var that = this;
        var index = 0, arr = []
            ,isObject = typeof selector === 'object';

        this.each(function(i, item){
            var nativeDOM = isObject ? [selector] : item.querySelectorAll(selector || null);
            for(; index < nativeDOM.length; index++){
                arr.push(nativeDOM[index]);
            }
            that.shift();
        });

        if(!isObject){
            that.selector =  (that.selector ? that.selector + ' ' : '') + selector
        }

        lay.each(arr, function(i, item){
            that.push(item);
        });

        return that;
    };

    //DOM遍历
    LAY.prototype.each = function(fn){
        return lay.each.call(this, this, fn);
    };

    //添加css类
    LAY.prototype.addClass = function(className, type){
        return this.each(function(index, item){
            item.className = LAY[type ? 'removeStr' : 'addStr'](item.className, className)
        });
    };

    //移除css类
    LAY.prototype.removeClass = function(className){
        return this.addClass(className, true);
    };

    //是否包含css类
    LAY.prototype.hasClass = function(className){
        var has = false;
        this.each(function(index, item){
            if(new RegExp('\\b'+ className +'\\b').test(item.className)){
                has = true;
            }
        });
        return has;
    };

    //添加或获取属性
    LAY.prototype.attr = function(key, value){
        var that = this;
        return value === undefined ? function(){
            if(that.length > 0) return that[0].getAttribute(key);
        }() : that.each(function(index, item){
            item.setAttribute(key, value);
        });
    };

    //移除属性
    LAY.prototype.removeAttr = function(key){
        return this.each(function(index, item){
            item.removeAttribute(key);
        });
    };

    //设置HTML内容
    LAY.prototype.html = function(html){
        return this.each(function(index, item){
            item.innerHTML = html;
        });
    };

    //设置值
    LAY.prototype.val = function(value){
        return this.each(function(index, item){
            item.value = value;
        });
    };

    //追加内容
    LAY.prototype.append = function(elem){
        return this.each(function(index, item){
            typeof elem === 'object'
                ? item.appendChild(elem)
                :  item.innerHTML = item.innerHTML + elem;
        });
    };

    //移除内容
    LAY.prototype.remove = function(elem){
        return this.each(function(index, item){
            elem ? item.removeChild(elem) : item.parentNode.removeChild(item);
        });
    };

    //事件绑定
    LAY.prototype.on = function(eventName, fn){
        return this.each(function(index, item){
            item.attachEvent ? item.attachEvent('on' + eventName, function(e){
                e.target = e.srcElement;
                fn.call(item, e);
            }) : item.addEventListener(eventName, fn, false);
        });
    };

    //解除事件
    LAY.prototype.off = function(eventName, fn){
        return this.each(function(index, item){
            item.detachEvent
                ? item.detachEvent('on'+ eventName, fn)
                : item.removeEventListener(eventName, fn, false);
        });
    };


    /*
     组件操作
     */


    //是否闰年
    Class.isLeapYear = function(year){
        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
    };

    //默认配置
    Class.prototype.config = {
        type: 'date' //控件类型，支持：year/month/date/time/datetime
        ,range: false //是否开启范围选择，即双控件
        ,format: 'yyyy-MM-dd' //默认日期格式
        ,value: null //默认日期，支持传入new Date()，或者符合format参数设定的日期格式字符
        ,isInitValue: true //用于控制是否自动向元素填充初始值（需配合 value 参数使用）
        ,min: '1900-1-1' //有效最小日期，年月日必须用“-”分割，时分秒必须用“:”分割。注意：它并不是遵循 format 设定的格式。
        ,max: '2099-12-31' //有效最大日期，同上
        ,trigger: 'focus' //呼出控件的事件
        ,show: false //是否直接显示，如果设置true，则默认直接显示控件
        ,showBottom: true //是否显示底部栏
        ,btns: ['clear', 'now', 'confirm'] //右下角显示的按钮，会按照数组顺序排列
        ,lang: 'cn' //语言，只支持cn/en，即中文和英文
        ,theme: 'default' //主题
        ,position: null //控件定位方式定位, 默认absolute，支持：fixed/absolute/static
        ,calendar: false //是否开启公历重要节日，仅支持中文版
        ,mark: {} //日期备注，如重要事件或活动标记
        ,zIndex: null //控件层叠顺序
        ,done: null //控件选择完毕后的回调，点击清空/现在/确定也均会触发
        ,change: null //日期时间改变后的回调
        ,markToday:[]/**选中今日 chenyi 2018/7/19*/
    };

    //多语言
    Class.prototype.lang = function(){
        var that = this
            ,options = that.config
            ,text = {
            cn: {
                weeks: ['日', '一', '二', '三', '四', '五', '六']
                ,time: ['时', '分', '秒']
                ,timeTips: '选择时间'
                ,startTime: '开始时间'
                ,endTime: '结束时间'
                ,dateTips: '返回日期'
                ,month: ['一', '二', '三', '四', '五', '六', '七', '八', '九', '十', '十一', '十二']
                ,tools: {
                    confirm: '确定'
                    ,clear: '清空'
                    ,now: '现在'
                }
            }
            ,en: {
                weeks: ['Su', 'Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa']
                ,time: ['Hours', 'Minutes', 'Seconds']
                ,timeTips: 'Select Time'
                ,startTime: 'Start Time'
                ,endTime: 'End Time'
                ,dateTips: 'Select Date'
                ,month: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
                ,tools: {
                    confirm: 'Confirm'
                    ,clear: 'Clear'
                    ,now: 'Now'
                }
            }
        };
        return text[options.lang] || text['cn'];
    };

    //初始准备
    Class.prototype.init = function(){
        var that = this
            ,options = that.config
            ,dateType = 'yyyy|y|MM|M|dd|d|HH|H|mm|m|ss|s'
            ,isStatic = options.position === 'static'
            ,format = {
            year: 'yyyy'
            ,month: 'yyyy-MM'
            ,date: 'yyyy-MM-dd'
            ,time: 'HH:mm:ss'
            ,datetime: 'yyyy-MM-dd HH:mm:ss'
        };

        options.elem = lay(options.elem);
        options.eventElem = lay(options.eventElem);

        if(!options.elem[0]) return;

        //日期范围分隔符
        if(options.range === true) options.range = '-';

        //根据不同type，初始化默认format
        if(options.format === format.date){
            options.format = format[options.type];
        }

        //将日期格式转化成数组
        that.format = options.format.match(new RegExp(dateType + '|.', 'g')) || [];

        //生成正则表达式
        that.EXP_IF = '';
        that.EXP_SPLIT = '';
        lay.each(that.format, function(i, item){
            var EXP =  new RegExp(dateType).test(item)
                ? '\\d{'+ function(){
                    if(new RegExp(dateType).test(that.format[i === 0 ? i + 1 : i - 1]||'')){
                        if(/^yyyy|y$/.test(item)) return 4;
                        return item.length;
                    }
                    if(/^yyyy$/.test(item)) return '1,4';
                    if(/^y$/.test(item)) return '1,308';
                    return '1,2';
                }() +'}'
                : '\\' + item;
            that.EXP_IF = that.EXP_IF + EXP;
            that.EXP_SPLIT = that.EXP_SPLIT + '(' + EXP + ')';
        });
        that.EXP_IF = new RegExp('^'+ (
                options.range ?
                    that.EXP_IF + '\\s\\'+ options.range + '\\s' + that.EXP_IF
                    : that.EXP_IF
            ) +'$');
        that.EXP_SPLIT = new RegExp('^'+ that.EXP_SPLIT +'$', '');

        //如果不是input|textarea元素，则默认采用click事件
        if(!that.isInput(options.elem[0])){
            if(options.trigger === 'focus'){
                options.trigger = 'click';
            }
        }

        //设置唯一KEY
        if(!options.elem.attr('lay-key')){
            options.elem.attr('lay-key', that.index);
            options.eventElem.attr('lay-key', that.index);
        }

        //记录重要日期
        options.mark = lay.extend({}, (options.calendar && options.lang === 'cn') ? {
            '0-1-1': '元旦'
            ,'0-2-14': '情人'
            ,'0-3-8': '妇女'
            ,'0-3-12': '植树'
            ,'0-4-1': '愚人'
            ,'0-5-1': '劳动'
            ,'0-5-4': '青年'
            ,'0-6-1': '儿童'
            ,'0-9-10': '教师'
            ,'0-9-18': '国耻'
            ,'0-10-1': '国庆'
            ,'0-12-25': '圣诞'
        } : {}, options.mark);

        //获取限制内日期
        lay.each(['min', 'max'], function(i, item){
            var ymd = [], hms = [];
            if(typeof options[item] === 'number'){ //如果为数字
                var day = options[item]
                    ,time = new Date().getTime()
                    ,STAMP = 86400000 //代表一天的时间戳
                    ,thisDate = new Date(
                    day ? (
                        day < STAMP ? time + day*STAMP : day //如果数字小于一天的时间戳，则数字为天数，否则为时间戳
                    ) : time
                );
                ymd = [thisDate.getFullYear(), thisDate.getMonth() + 1, thisDate.getDate()];
                day < STAMP || (hms = [thisDate.getHours(), thisDate.getMinutes(), thisDate.getSeconds()]);
            } else {
                ymd = (options[item].match(/\d+-\d+-\d+/) || [''])[0].split('-');
                hms = (options[item].match(/\d+:\d+:\d+/) || [''])[0].split(':');
            }
            options[item] = {
                year: ymd[0] | 0 || new Date().getFullYear()
                ,month: ymd[1] ? (ymd[1] | 0) - 1 : new Date().getMonth()
                ,date: ymd[2] | 0 || new Date().getDate()
                ,hours: hms[0] | 0
                ,minutes: hms[1] | 0
                ,seconds: hms[2] | 0
            };
        });

        that.elemID = 'layui-laydate'+ options.elem.attr('lay-key');

        if(options.show || isStatic) that.render();
        isStatic || that.events();

        //默认赋值
        if(options.value && options.isInitValue){
            if(options.value.constructor === Date){
                that.setValue(that.parse(0, that.systemDate(options.value)));
            } else {
                that.setValue(options.value);
            }
        }
    };

    //控件主体渲染
    Class.prototype.render = function(){
        var that = this
            ,options = that.config
            ,lang = that.lang()
            ,isStatic = options.position === 'static'

            //主面板
            ,elem = that.elem = lay.elem('div', {
                id: that.elemID
                ,'class': [
                    'layui-laydate'
                    ,options.range ? ' layui-laydate-range' : ''
                    ,isStatic ? (' '+ ELEM_STATIC) : ''
                    ,options.theme && options.theme !== 'default' && !/^#/.test(options.theme) ? (' laydate-theme-' + options.theme) : ''
                ].join('')
            })

            //主区域
            ,elemMain = that.elemMain = []
            ,elemHeader = that.elemHeader = []
            ,elemCont = that.elemCont = []
            ,elemTable = that.table = []

            //底部区域
            ,divFooter = that.footer = lay.elem('div', {
                'class': ELEM_FOOTER
            });

        if(options.zIndex) elem.style.zIndex = options.zIndex;

        //单双日历区域
        lay.each(new Array(2), function(i){
            if(!options.range && i > 0){
                return true;
            }
            //头部区域
            var divHeader = lay.elem('div', {
                    'class': 'layui-laydate-header'
                })

                //左右切换
                ,headerChild = [function(){ //上一年
                    var elem = lay.elem('i', {
                        'class': 'layui-icon laydate-icon laydate-prev-y'
                    });
                    elem.innerHTML = '&#xe65a;';
                    return elem;
                }(), function(){ //上一月
                    var elem = lay.elem('i', {
                        'class': 'layui-icon laydate-icon laydate-prev-m'
                    });
                    elem.innerHTML = '&#xe603;';
                    return elem;
                }(), function(){ //年月选择
                    var elem = lay.elem('div', {
                        'class': 'laydate-set-ym'
                    }), spanY = lay.elem('span'), spanM = lay.elem('span');
                    elem.appendChild(spanY);
                    elem.appendChild(spanM);
                    return elem;
                }(), function(){ //下一月
                    var elem = lay.elem('i', {
                        'class': 'layui-icon laydate-icon laydate-next-m'
                    });
                    elem.innerHTML = '&#xe602;';
                    return elem;
                }(), function(){ //下一年
                    var elem = lay.elem('i', {
                        'class': 'layui-icon laydate-icon laydate-next-y'
                    });
                    elem.innerHTML = '&#xe65b;';
                    return elem;
                }()]

                //日历内容区域
                ,divContent = lay.elem('div', {
                    'class': 'layui-laydate-content'
                })
                ,table = lay.elem('table')
                ,thead = lay.elem('thead'), theadTr = lay.elem('tr');

            //生成年月选择
            lay.each(headerChild, function(i, item){
                divHeader.appendChild(item);
            });

            //生成表格
            thead.appendChild(theadTr);
            lay.each(new Array(6), function(i){ //表体
                var tr = table.insertRow(0);
                lay.each(new Array(7), function(j){
                    if(i === 0){
                        var th = lay.elem('th');
                        th.innerHTML = lang.weeks[j];
                        theadTr.appendChild(th);
                    }
                    tr.insertCell(j);
                });
            });
            table.insertBefore(thead, table.children[0]); //表头
            divContent.appendChild(table);

            elemMain[i] = lay.elem('div', {
                'class': 'layui-laydate-main laydate-main-list-'+ i
            });

            elemMain[i].appendChild(divHeader);
            elemMain[i].appendChild(divContent);

            elemHeader.push(headerChild);
            elemCont.push(divContent);
            elemTable.push(table);
        });

        //生成底部栏
        lay(divFooter).html(function(){
            var html = [], btns = [];
            if(options.type === 'datetime'){
                html.push('<span lay-type="datetime" class="laydate-btns-time">'+ lang.timeTips +'</span>');
            }
            lay.each(options.btns, function(i, item){
                var title = lang.tools[item] || 'btn';
                if(options.range && item === 'now') return;
                if(isStatic && item === 'clear') title = options.lang === 'cn' ? '重置' : 'Reset';
                btns.push('<span lay-type="'+ item +'" class="laydate-btns-'+ item +'">'+ title +'</span>');
            });
            html.push('<div class="laydate-footer-btns">'+ btns.join('') +'</div>');
            return html.join('');
        }());

        //插入到主区域
        lay.each(elemMain, function(i, main){
            elem.appendChild(main);
        });
        options.showBottom && elem.appendChild(divFooter);

        //生成自定义主题
        if(/^#/.test(options.theme)){
            var style = lay.elem('style')
                ,styleText = [
                '#{{id}} .layui-laydate-header{background-color:{{theme}};}'
                ,'#{{id}} .layui-this{background-color:{{theme}} !important;}'
            ].join('').replace(/{{id}}/g, that.elemID).replace(/{{theme}}/g, options.theme);

            if('styleSheet' in style){
                style.setAttribute('type', 'text/css');
                style.styleSheet.cssText = styleText;
            } else {
                style.innerHTML = styleText;
            }

            lay(elem).addClass('laydate-theme-molv');
            elem.appendChild(style);
        }

        //移除上一个控件
        that.remove(Class.thisElemDate);

        //如果是静态定位，则插入到指定的容器中，否则，插入到body
        isStatic ? options.elem.append(elem) : (
            document.body.appendChild(elem)
                ,that.position() //定位
        );
        that.checkDate().calendar(); //初始校验
        that.changeEvent(); //日期切换

        Class.thisElemDate = that.elemID;

        typeof options.ready === 'function' && options.ready(lay.extend({}, options.dateTime, {
            month: options.dateTime.month + 1
        }));
    };

    //控件移除
    Class.prototype.remove = function(prev){
        var that = this
            ,options = that.config
            ,elem = lay('#'+ (prev || that.elemID));
        if(!elem.hasClass(ELEM_STATIC)){
            that.checkDate(function(){
                elem.remove();
            });
        }
        return that;
    };

    //定位算法
    Class.prototype.position = function(){
        var that = this
            ,options = that.config
            ,elem = that.bindElem || options.elem[0]
            ,rect = elem.getBoundingClientRect() //绑定元素的坐标
            ,elemWidth = that.elem.offsetWidth //控件的宽度
            ,elemHeight = that.elem.offsetHeight //控件的高度

            //滚动条高度
            ,scrollArea = function(type){
                type = type ? 'scrollLeft' : 'scrollTop';
                return document.body[type] | document.documentElement[type];
            }
            ,winArea = function(type){
                return document.documentElement[type ? 'clientWidth' : 'clientHeight']
            }, margin = 5, left = rect.left, top = rect.bottom;

        //如果右侧超出边界
        if(left + elemWidth + margin > winArea('width')){
            left = winArea('width') - elemWidth - margin;
        }

        //如果底部超出边界
        if(top + elemHeight + margin > winArea()){
            top = rect.top > elemHeight //顶部是否有足够区域显示完全
                ? rect.top - elemHeight
                : winArea() - elemHeight;
            top = top - margin*2;
        }

        if(options.position){
            that.elem.style.position = options.position;
        }
        that.elem.style.left = left + (options.position === 'fixed' ? 0 : scrollArea(1)) + 'px';
        that.elem.style.top = top + (options.position === 'fixed' ? 0 : scrollArea()) + 'px';
    };

    //提示
    Class.prototype.hint = function(content){
        var that = this
            ,options = that.config
            ,div = lay.elem('div', {
            'class': ELEM_HINT
        });

        div.innerHTML = content || '';
        lay(that.elem).find('.'+ ELEM_HINT).remove();
        that.elem.appendChild(div);

        clearTimeout(that.hinTimer);
        that.hinTimer = setTimeout(function(){
            lay(that.elem).find('.'+ ELEM_HINT).remove();
        }, 3000);
    };

    //获取递增/减后的年月
    Class.prototype.getAsYM = function(Y, M, type){
        type ? M-- : M++;
        if(M < 0){
            M = 11;
            Y--;
        }
        if(M > 11){
            M = 0;
            Y++;
        }
        return [Y, M];
    };

    //系统消息
    Class.prototype.systemDate = function(newDate){
        var thisDate = newDate || new Date();
        return {
            year: thisDate.getFullYear() //年
            ,month: thisDate.getMonth() //月
            ,date: thisDate.getDate() //日
            ,hours: newDate ? newDate.getHours() : 0 //时
            ,minutes: newDate ? newDate.getMinutes() : 0 //分
            ,seconds: newDate ? newDate.getSeconds() : 0 //秒
        }
    };

    //日期校验
    Class.prototype.checkDate = function(fn){
        var that = this
            ,thisDate = new Date()
            ,options = that.config
            ,dateTime = options.dateTime = options.dateTime || that.systemDate()
            ,thisMaxDate, error

            ,elem = that.bindElem || options.elem[0]
            ,valType = that.isInput(elem) ? 'val' : 'html'
            ,value = that.isInput(elem) ? elem.value : (options.position === 'static' ? '' : elem.innerHTML)

            //校验日期有效数字
            ,checkValid = function(dateTime){
                if(dateTime.year > LIMIT_YEAR[1]) dateTime.year = LIMIT_YEAR[1], error = true; //不能超过20万年
                if(dateTime.month > 11) dateTime.month = 11, error = true;
                if(dateTime.hours > 23) dateTime.hours = 0, error = true;
                if(dateTime.minutes > 59) dateTime.minutes = 0, dateTime.hours++, error = true;
                if(dateTime.seconds > 59) dateTime.seconds = 0, dateTime.minutes++, error = true;

                //计算当前月的最后一天
                thisMaxDate = laydate.getEndDate(dateTime.month + 1, dateTime.year);
                if(dateTime.date > thisMaxDate) dateTime.date = thisMaxDate, error = true;
            }

            //获得初始化日期值
            ,initDate = function(dateTime, value, index){
                var startEnd = ['startTime', 'endTime'];
                value = (value.match(that.EXP_SPLIT) || []).slice(1);
                index = index || 0;
                if(options.range){
                    that[startEnd[index]] = that[startEnd[index]] || {};
                }
                lay.each(that.format, function(i, item){
                    var thisv = parseFloat(value[i]);
                    if(value[i].length < item.length) error = true;
                    if(/yyyy|y/.test(item)){ //年
                        if(thisv < LIMIT_YEAR[0]) thisv = LIMIT_YEAR[0], error = true; //年不能低于100年
                        dateTime.year = thisv;
                    } else if(/MM|M/.test(item)){ //月
                        if(thisv < 1) thisv = 1, error = true;
                        dateTime.month = thisv - 1;
                    } else if(/dd|d/.test(item)){ //日
                        if(thisv < 1) thisv = 1, error = true;
                        dateTime.date = thisv;
                    } else if(/HH|H/.test(item)){ //时
                        if(thisv < 1) thisv = 0, error = true;
                        dateTime.hours = thisv;
                        options.range && (that[startEnd[index]].hours = thisv);
                    } else if(/mm|m/.test(item)){ //分
                        if(thisv < 1) thisv = 0, error = true;
                        dateTime.minutes = thisv;
                        options.range && (that[startEnd[index]].minutes = thisv);
                    } else if(/ss|s/.test(item)){ //秒
                        if(thisv < 1) thisv = 0, error = true;
                        dateTime.seconds = thisv;
                        options.range && (that[startEnd[index]].seconds = thisv);
                    }
                });
                checkValid(dateTime)
            };

        if(fn === 'limit') return checkValid(dateTime), that;

        value = value || options.value;
        if(typeof value === 'string'){
            value = value.replace(/\s+/g, ' ').replace(/^\s|\s$/g, '');
        }

        //如果点击了开始，单未选择结束就关闭，则重新选择开始
        if(that.startState && !that.endState){
            delete that.startState;
            that.endState = true;
        };

        if(typeof value === 'string' && value){
            if(that.EXP_IF.test(value)){ //校验日期格式
                if(options.range){
                    value = value.split(' '+ options.range +' ');
                    that.startDate = that.startDate || that.systemDate();
                    that.endDate = that.endDate || that.systemDate();
                    options.dateTime = lay.extend({}, that.startDate);
                    lay.each([that.startDate, that.endDate], function(i, item){
                        initDate(item, value[i], i);
                    });
                } else {
                    initDate(dateTime, value)
                }
            } else {
                that.hint('日期格式不合法<br>必须遵循下述格式：<br>'+ (
                        options.range ? (options.format + ' '+ options.range +' ' + options.format) : options.format
                    ) + '<br>已为你重置');
                error = true;
            }
        } else if(value && value.constructor === Date){ //如果值为日期对象时
            options.dateTime = that.systemDate(value);
        } else {
            options.dateTime = that.systemDate();
            delete that.startState;
            delete that.endState;
            delete that.startDate;
            delete that.endDate;
            delete that.startTime;
            delete that.endTime;
        }

        checkValid(dateTime);

        if(error && value){
            that.setValue(
                options.range ? (that.endDate ? that.parse() : '') : that.parse()
            );
        }
        fn && fn();
        return that;
    };

    //公历重要日期与自定义备注
    Class.prototype.mark = function(td, YMD){
        var that = this
            ,mark, options = that.config;
        lay.each(options.mark, function(key, title){
            var keys = key.split('-');
            if((keys[0] == YMD[0] || keys[0] == 0) //每年的每月
                && (keys[1] == YMD[1] || keys[1] == 0) //每月的每日
                && keys[2] == YMD[2]){ //特定日
                mark = title || YMD[2];
            }
        });
        mark && td.html('<span class="laydate-day-mark">'+ mark +'</span>');

        return that;
    };

    //无效日期范围的标记
    Class.prototype.limit = function(elem, date, index, time){
        var that = this
            ,options = that.config, timestrap = {}
            ,dateTime = options[index > 41 ? 'endDate' : 'dateTime']
            ,isOut, thisDateTime = lay.extend({}, dateTime, date || {});
        lay.each({
            now: thisDateTime
            ,min: options.min
            ,max: options.max
        }, function(key, item){
            timestrap[key] = that.newDate(lay.extend({
                year: item.year
                ,month: item.month
                ,date: item.date
            }, function(){
                var hms = {};
                lay.each(time, function(i, keys){
                    hms[keys] = item[keys];
                });
                return hms;
            }())).getTime();  //time：是否比较时分秒
        });

        isOut = timestrap.now < timestrap.min || timestrap.now > timestrap.max;
        elem && elem[isOut ? 'addClass' : 'removeClass'](DISABLED);
        return isOut;
    };

    //日历表
    Class.prototype.calendar = function(value){
        var that = this
            ,options = that.config
            ,dateTime = value || options.dateTime
            ,thisDate = new Date(), startWeek, prevMaxDate, thisMaxDate
            ,lang = that.lang()
            ,isAlone = options.type !== 'date' && options.type !== 'datetime'
            ,index = value ? 1 : 0
            ,tds = lay(that.table[index]).find('td')
            ,elemYM = lay(that.elemHeader[index][2]).find('span');

        if(dateTime.year < LIMIT_YEAR[0]) dateTime.year = LIMIT_YEAR[0], that.hint('最低只能支持到公元'+ LIMIT_YEAR[0] +'年');
        if(dateTime.year > LIMIT_YEAR[1]) dateTime.year = LIMIT_YEAR[1], that.hint('最高只能支持到公元'+ LIMIT_YEAR[1] +'年');

        //记录初始值
        if(!that.firstDate){
            that.firstDate = lay.extend({}, dateTime);
        }

        //计算当前月第一天的星期
        thisDate.setFullYear(dateTime.year, dateTime.month, 1);
        startWeek = thisDate.getDay();

        prevMaxDate = laydate.getEndDate(dateTime.month || 12, dateTime.year); //计算上个月的最后一天
        thisMaxDate = laydate.getEndDate(dateTime.month + 1, dateTime.year); //计算当前月的最后一天

        //赋值日
        lay.each(tds, function(index, item){
            var YMD = [dateTime.year, dateTime.month], st = 0;
            item = lay(item);
            item.removeAttr('class');
            if(index < startWeek){
                st = prevMaxDate - startWeek + index;
                item.addClass('laydate-day-prev');
                YMD = that.getAsYM(dateTime.year, dateTime.month, 'sub');
            } else if(index >= startWeek && index < thisMaxDate + startWeek){
                st = index - startWeek;
                if(!options.range){
                    /**chenyi 是否选中今日*/
                    st + 1 === dateTime.date && options.markToday &&item.addClass(THIS);

                }
            } else {
                st = index - thisMaxDate - startWeek;
                item.addClass('laydate-day-next');
                YMD = that.getAsYM(dateTime.year, dateTime.month);
            }
            YMD[1]++;
            YMD[2] = st + 1;

            item.attr('lay-ymd', YMD.join('-')).html(YMD[2]);
            that.mark(item, YMD).limit(item, {
                year: YMD[0]
                ,month: YMD[1] - 1
                ,date: YMD[2]
            }, index);

        });

        //同步头部年月
        lay(elemYM[0]).attr('lay-ym', dateTime.year + '-' + (dateTime.month + 1));
        lay(elemYM[1]).attr('lay-ym', dateTime.year + '-' + (dateTime.month + 1));

        if(options.lang === 'cn'){
            lay(elemYM[0]).attr('lay-type', 'year').html(dateTime.year + '年')
            lay(elemYM[1]).attr('lay-type', 'month').html((dateTime.month + 1) + '月');
        } else {
            lay(elemYM[0]).attr('lay-type', 'month').html(lang.month[dateTime.month]);
            lay(elemYM[1]).attr('lay-type', 'year').html(dateTime.year);
        }

        //初始默认选择器
        if(isAlone){
            if(options.range){
                value ? that.endDate = (that.endDate || {
                    year: dateTime.year + (options.type === 'year' ? 1 : 0)
                    ,month: dateTime.month + (options.type === 'month' ? 0 : -1)
                }) : (that.startDate = that.startDate || {
                        year: dateTime.year
                        ,month: dateTime.month
                    });
                if(value){
                    that.listYM = [
                        [that.startDate.year, that.startDate.month + 1]
                        ,[that.endDate.year, that.endDate.month + 1]
                    ];
                    that.list(options.type, 0).list(options.type, 1);
                    //同步按钮可点状态
                    options.type === 'time' ? that.setBtnStatus('时间'
                        ,lay.extend({}, that.systemDate(), that.startTime)
                        ,lay.extend({}, that.systemDate(), that.endTime)
                    ) : that.setBtnStatus(true);
                }
            }
            if(!options.range){
                that.listYM = [[dateTime.year, dateTime.month + 1]];
                that.list(options.type, 0);
            }
        }

        //赋值双日历
        if(options.range && !value){
            var EYM = that.getAsYM(dateTime.year, dateTime.month)
            that.calendar(lay.extend({}, dateTime, {
                year: EYM[0]
                ,month: EYM[1]
            }));
        }

        //通过检测当前有效日期，来设定确定按钮是否可点
        if(!options.range) that.limit(lay(that.footer).find(ELEM_CONFIRM), null, 0, ['hours', 'minutes', 'seconds']);

        //标记选择范围
        if(options.range && value && !isAlone) that.stampRange();
        return that;
    };

    //生成年月时分秒列表
    Class.prototype.list = function(type, index){
        var that = this
            ,options = that.config
            ,dateTime = options.dateTime
            ,lang = that.lang()
            ,isAlone = options.range && options.type !== 'date' && options.type !== 'datetime' //独立范围选择器

            ,ul = lay.elem('ul', {
            'class': ELEM_LIST + ' ' + ({
                year: 'laydate-year-list'
                ,month: 'laydate-month-list'
                ,time: 'laydate-time-list'
            })[type]
        })
            ,elemHeader = that.elemHeader[index]
            ,elemYM = lay(elemHeader[2]).find('span')
            ,elemCont = that.elemCont[index || 0]
            ,haveList = lay(elemCont).find('.'+ ELEM_LIST)[0]
            ,isCN = options.lang === 'cn'
            ,text = isCN ? '年' : ''

            ,listYM = that.listYM[index] || {}
            ,hms = ['hours', 'minutes', 'seconds']
            ,startEnd = ['startTime', 'endTime'][index];

        if(listYM[0] < 1) listYM[0] = 1;

        if(type === 'year'){ //年列表
            var yearNum, startY = yearNum = listYM[0] - 7;
            if(startY < 1) startY = yearNum = 1;
            lay.each(new Array(15), function(i){
                var li = lay.elem('li', {
                    'lay-ym': yearNum
                }), ymd = {year: yearNum};
                yearNum == listYM[0] && lay(li).addClass(THIS);
                li.innerHTML = yearNum + text;
                ul.appendChild(li);
                if(yearNum < that.firstDate.year){
                    ymd.month = options.min.month;
                    ymd.date = options.min.date;
                } else if(yearNum >= that.firstDate.year){
                    ymd.month = options.max.month;
                    ymd.date = options.max.date;
                }
                that.limit(lay(li), ymd, index);
                yearNum++;
            });
            lay(elemYM[isCN ? 0 : 1]).attr('lay-ym', (yearNum - 8) + '-' + listYM[1])
                .html((startY + text) + ' - ' + (yearNum - 1 + text));
        } else if(type === 'month'){ //月列表
            lay.each(new Array(12), function(i){
                var li = lay.elem('li', {
                    'lay-ym': i
                }), ymd = {year: listYM[0], month: i};
                i + 1 == listYM[1] && lay(li).addClass(THIS);
                li.innerHTML = lang.month[i] + (isCN ? '月' : '');
                ul.appendChild(li);
                if(listYM[0] < that.firstDate.year){
                    ymd.date = options.min.date;
                } else if(listYM[0] >= that.firstDate.year){
                    ymd.date = options.max.date;
                }
                that.limit(lay(li), ymd, index);
            });
            lay(elemYM[isCN ? 0 : 1]).attr('lay-ym', listYM[0] + '-' + listYM[1])
                .html(listYM[0] + text);
        } else if(type === 'time'){ //时间列表
            //检测时分秒状态是否在有效日期时间范围内
            var setTimeStatus = function(){
                lay(ul).find('ol').each(function(i, ol){
                    lay(ol).find('li').each(function(ii, li){
                        that.limit(lay(li), [{
                            hours: ii
                        }, {
                            hours: that[startEnd].hours
                            ,minutes: ii
                        }, {
                            hours: that[startEnd].hours
                            ,minutes: that[startEnd].minutes
                            ,seconds: ii
                        }][i], index, [['hours'], ['hours', 'minutes'], ['hours', 'minutes', 'seconds']][i]);
                    });
                });
                if(!options.range) that.limit(lay(that.footer).find(ELEM_CONFIRM), that[startEnd], 0, ['hours', 'minutes', 'seconds']);
            };
            if(options.range){
                if(!that[startEnd]) that[startEnd] = {
                    hours: 0
                    ,minutes: 0
                    ,seconds: 0
                };
            } else {
                that[startEnd] = dateTime;
            }
            lay.each([24, 60, 60], function(i, item){
                var li = lay.elem('li'), childUL = ['<p>'+ lang.time[i] +'</p><ol>'];
                lay.each(new Array(item), function(ii){
                    childUL.push('<li'+ (that[startEnd][hms[i]] === ii ? ' class="'+ THIS +'"' : '') +'>'+ lay.digit(ii, 2) +'</li>');
                });
                li.innerHTML = childUL.join('') + '</ol>';
                ul.appendChild(li);
            });
            setTimeStatus();
        }

        //插入容器
        if(haveList) elemCont.removeChild(haveList);
        elemCont.appendChild(ul);

        //年月
        if(type === 'year' || type === 'month'){
            //显示切换箭头
            lay(that.elemMain[index]).addClass('laydate-ym-show');

            //选中
            lay(ul).find('li').on('click', function(){
                var ym = lay(this).attr('lay-ym') | 0;
                if(lay(this).hasClass(DISABLED)) return;

                if(index === 0){
                    dateTime[type] = ym;
                    if(isAlone) that.startDate[type] = ym;
                    that.limit(lay(that.footer).find(ELEM_CONFIRM), null, 0);
                } else { //范围选择
                    if(isAlone){ //非date/datetime类型
                        that.endDate[type] = ym;
                    } else { //date/datetime类型
                        var YM = type === 'year'
                            ? that.getAsYM(ym, listYM[1] - 1, 'sub')
                            : that.getAsYM(listYM[0], ym, 'sub');
                        lay.extend(dateTime, {
                            year: YM[0]
                            ,month: YM[1]
                        });
                    }
                }

                if(options.type === 'year' || options.type === 'month'){
                    lay(ul).find('.'+ THIS).removeClass(THIS);
                    lay(this).addClass(THIS);

                    //如果为年月选择器，点击了年列表，则切换到月选择器
                    if(options.type === 'month' && type === 'year'){
                        that.listYM[index][0] = ym;
                        isAlone && (that[['startDate', 'endDate'][index]].year = ym);
                        that.list('month', index);
                    }
                } else {
                    that.checkDate('limit').calendar();
                    that.closeList();
                }

                that.setBtnStatus(); //同步按钮可点状态
                options.range || that.done(null, 'change');
                lay(that.footer).find(ELEM_TIME_BTN).removeClass(DISABLED);
            });
        } else {
            var span = lay.elem('span', {
                'class': ELEM_TIME_TEXT
            }), scroll = function(){ //滚动条定位
                lay(ul).find('ol').each(function(i){
                    var ol = this
                        ,li = lay(ol).find('li')
                    ol.scrollTop = 30*(that[startEnd][hms[i]] - 2);
                    if(ol.scrollTop <= 0){
                        li.each(function(ii, item){
                            if(!lay(this).hasClass(DISABLED)){
                                ol.scrollTop = 30*(ii - 2);
                                return true;
                            }
                        });
                    }
                });
            }, haveSpan = lay(elemHeader[2]).find('.'+ ELEM_TIME_TEXT);
            scroll()
            span.innerHTML = options.range ? [lang.startTime,lang.endTime][index] : lang.timeTips
            lay(that.elemMain[index]).addClass('laydate-time-show');
            if(haveSpan[0]) haveSpan.remove();
            elemHeader[2].appendChild(span);

            lay(ul).find('ol').each(function(i){
                var ol = this;
                //选择时分秒
                lay(ol).find('li').on('click', function(){
                    var value = this.innerHTML | 0;
                    if(lay(this).hasClass(DISABLED)) return;
                    if(options.range){
                        that[startEnd][hms[i]]  = value;
                    } else {
                        dateTime[hms[i]] = value;
                    }
                    lay(ol).find('.'+ THIS).removeClass(THIS);
                    lay(this).addClass(THIS);

                    setTimeStatus();
                    scroll();
                    (that.endDate || options.type === 'time') && that.done(null, 'change');

                    //同步按钮可点状态
                    that.setBtnStatus();
                });
            });
        }

        return that;
    };

    //记录列表切换后的年月
    Class.prototype.listYM = [];

    //关闭列表
    Class.prototype.closeList = function(){
        var that = this
            ,options = that.config;

        lay.each(that.elemCont, function(index, item){
            lay(this).find('.'+ ELEM_LIST).remove();
            lay(that.elemMain[index]).removeClass('laydate-ym-show laydate-time-show');
        });
        lay(that.elem).find('.'+ ELEM_TIME_TEXT).remove();
    };

    //检测结束日期是否超出开始日期
    Class.prototype.setBtnStatus = function(tips, start, end){
        var that = this
            ,options = that.config
            ,isOut, elemBtn = lay(that.footer).find(ELEM_CONFIRM)
            ,isAlone = options.range && options.type !== 'date' && options.type !== 'time';
        if(isAlone){
            start = start || that.startDate;
            end = end || that.endDate;
            isOut = that.newDate(start).getTime() > that.newDate(end).getTime();

            //如果不在有效日期内，直接禁用按钮，否则比较开始和结束日期
            (that.limit(null, start) || that.limit(null, end))
                ? elemBtn.addClass(DISABLED)
                : elemBtn[isOut ? 'addClass' : 'removeClass'](DISABLED);

            //是否异常提示
            if(tips && isOut) that.hint(
                typeof tips === 'string' ? TIPS_OUT.replace(/日期/g, tips) : TIPS_OUT
            );
        }
    };

    //转义为规定格式的日期字符
    Class.prototype.parse = function(state, date){
        var that = this
            ,options = that.config
            ,dateTime = date || (state
                ? lay.extend({}, that.endDate, that.endTime)
                : (options.range ? lay.extend({}, that.startDate, that.startTime) : options.dateTime))
            ,format = that.format.concat();

        //转义为规定格式
        lay.each(format, function(i, item){
            if(/yyyy|y/.test(item)){ //年
                format[i] = lay.digit(dateTime.year, item.length);
            } else if(/MM|M/.test(item)){ //月
                format[i] = lay.digit(dateTime.month + 1, item.length);
            } else if(/dd|d/.test(item)){ //日
                format[i] = lay.digit(dateTime.date, item.length);
            } else if(/HH|H/.test(item)){ //时
                format[i] = lay.digit(dateTime.hours, item.length);
            } else if(/mm|m/.test(item)){ //分
                format[i] = lay.digit(dateTime.minutes, item.length);
            } else if(/ss|s/.test(item)){ //秒
                format[i] = lay.digit(dateTime.seconds, item.length);
            }
        });

        //返回日期范围字符
        if(options.range && !state){
            return format.join('') + ' '+ options.range +' ' + that.parse(1);
        }

        return format.join('');
    };

    //创建指定日期时间对象
    Class.prototype.newDate = function(dateTime){
        dateTime = dateTime || {};
        return new Date(
            dateTime.year || 1
            ,dateTime.month || 0
            ,dateTime.date || 1
            ,dateTime.hours || 0
            ,dateTime.minutes || 0
            ,dateTime.seconds || 0
        );
    };

    //赋值
    Class.prototype.setValue = function(value){
        var that = this
            ,options = that.config
            ,elem = that.bindElem || options.elem[0]
            ,valType = that.isInput(elem) ? 'val' : 'html'

        options.position === 'static' || lay(elem)[valType](value || '');
        return this;
    };

    //标记范围内的日期
    Class.prototype.stampRange = function(){
        var that = this
            ,options = that.config
            ,startTime, endTime
            ,tds = lay(that.elem).find('td');

        if(options.range && !that.endDate) lay(that.footer).find(ELEM_CONFIRM).addClass(DISABLED);
        if(!that.endDate) return;

        startTime = that.newDate({
            year: that.startDate.year
            ,month: that.startDate.month
            ,date: that.startDate.date
        }).getTime();

        endTime = that.newDate({
            year: that.endDate.year
            ,month: that.endDate.month
            ,date: that.endDate.date
        }).getTime();

        if(startTime > endTime) return that.hint(TIPS_OUT);

        lay.each(tds, function(i, item){
            var ymd = lay(item).attr('lay-ymd').split('-')
                ,thisTime = that.newDate({
                year: ymd[0]
                ,month: ymd[1] - 1
                ,date: ymd[2]
            }).getTime();
            lay(item).removeClass(ELEM_SELECTED + ' ' + THIS);
            if(thisTime === startTime || thisTime === endTime){
                lay(item).addClass(
                    lay(item).hasClass(ELEM_PREV) || lay(item).hasClass(ELEM_NEXT)
                        ? ELEM_SELECTED
                        : THIS
                );
            }
            if(thisTime > startTime && thisTime < endTime){
                lay(item).addClass(ELEM_SELECTED);
            }
        });
    };

    //执行done/change回调
    Class.prototype.done = function(param, type){
        var that = this
            ,options = that.config
            ,start = lay.extend({}, that.startDate ? lay.extend(that.startDate, that.startTime) : options.dateTime)
            ,end = lay.extend({}, lay.extend(that.endDate, that.endTime))

        lay.each([start, end], function(i, item){
            if(!('month' in item)) return;
            lay.extend(item, {
                month: item.month + 1
            });
        });

        param = param || [that.parse(), start, end];
        typeof options[type || 'done'] === 'function' && options[type || 'done'].apply(options, param);

        return that;
    };

    //选择日期
    Class.prototype.choose = function(td){
        var that = this
            ,options = that.config
            ,dateTime = options.dateTime

            ,tds = lay(that.elem).find('td')
            ,YMD = td.attr('lay-ymd').split('-')

            ,setDateTime = function(one){
            var thisDate = new Date();

            //同步dateTime
            one && lay.extend(dateTime, YMD);

            //记录开始日期
            if(options.range){
                that.startDate ? lay.extend(that.startDate, YMD) : (
                    that.startDate = lay.extend({}, YMD, that.startTime)
                );
                that.startYMD = YMD;
            }
        };

        YMD = {
            year: YMD[0] | 0
            ,month: (YMD[1] | 0) - 1
            ,date: YMD[2] | 0
        };

        if(td.hasClass(DISABLED)) return;

        //范围选择
        if(options.range){

            lay.each(['startTime', 'endTime'], function(i, item){
                that[item] = that[item] || {
                        hours: 0
                        ,minutes: 0
                        ,seconds: 0
                    };
            });

            if(that.endState){ //重新选择
                setDateTime();
                delete that.endState;
                delete that.endDate;
                that.startState = true;
                tds.removeClass(THIS + ' ' + ELEM_SELECTED);
                td.addClass(THIS);
            } else if(that.startState){ //选中截止
                td.addClass(THIS);

                that.endDate ? lay.extend(that.endDate, YMD) : (
                    that.endDate = lay.extend({}, YMD, that.endTime)
                );

                //判断是否顺时或逆时选择
                if(that.newDate(YMD).getTime() < that.newDate(that.startYMD).getTime()){
                    var startDate = lay.extend({}, that.endDate, {
                        hours: that.startDate.hours
                        ,minutes: that.startDate.minutes
                        ,seconds: that.startDate.seconds
                    });
                    lay.extend(that.endDate, that.startDate, {
                        hours: that.endDate.hours
                        ,minutes: that.endDate.minutes
                        ,seconds: that.endDate.seconds
                    });
                    that.startDate = startDate;
                }

                options.showBottom || that.done();
                that.stampRange(); //标记范围内的日期
                that.endState = true;
                that.done(null, 'change');
            } else { //选中开始
                td.addClass(THIS);
                setDateTime();
                that.startState = true;
            }
            lay(that.footer).find(ELEM_CONFIRM)[that.endDate ? 'removeClass' : 'addClass'](DISABLED);
        } else if(options.position === 'static'){ //直接嵌套的选中
            setDateTime(true);
            that.calendar().done().done(null, 'change');
        } else if(options.type === 'date'){
            setDateTime(true);
            that.setValue(that.parse()).remove().done();
        } else if(options.type === 'datetime'){
            setDateTime(true);
            that.calendar().done(null, 'change');
        }
    };

    //底部按钮
    Class.prototype.tool = function(btn, type){
        var that = this
            ,options = that.config
            ,dateTime = options.dateTime
            ,isStatic = options.position === 'static'
            ,active = {
            //选择时间
            datetime: function(){
                if(lay(btn).hasClass(DISABLED)) return;
                that.list('time', 0);
                options.range && that.list('time', 1);
                lay(btn).attr('lay-type', 'date').html(that.lang().dateTips);
            }

            //选择日期
            ,date: function(){
                that.closeList();
                lay(btn).attr('lay-type', 'datetime').html(that.lang().timeTips);
            }

            //清空、重置
            ,clear: function(){
                that.setValue('').remove();
                isStatic && (
                    lay.extend(dateTime, that.firstDate)
                        ,that.calendar()
                )
                options.range && (
                    delete that.startState
                        ,delete that.endState
                        ,delete that.endDate
                        ,delete that.startTime
                        ,delete that.endTime
                );
                that.done(['', {}, {}]);
            }

            //现在
            ,now: function(){
                var thisDate = new Date();
                lay.extend(dateTime, that.systemDate(), {
                    hours: thisDate.getHours()
                    ,minutes: thisDate.getMinutes()
                    ,seconds: thisDate.getSeconds()
                });
                that.setValue(that.parse()).remove();
                isStatic && that.calendar();
                that.done();
            }

            //确定
            ,confirm: function(){
                if(options.range){
                    if(!that.endDate) return that.hint('请先选择日期范围');
                    if(lay(btn).hasClass(DISABLED)) return that.hint(
                        options.type === 'time' ? TIPS_OUT.replace(/日期/g, '时间') : TIPS_OUT
                    );
                } else {
                    if(lay(btn).hasClass(DISABLED)) return that.hint('不在有效日期或时间范围内');
                }
                that.done();
                that.setValue(that.parse()).remove()
            }
        };
        active[type] && active[type]();
    };

    //统一切换处理
    Class.prototype.change = function(index){
        var that = this
            ,options = that.config
            ,dateTime = options.dateTime
            ,isAlone = options.range && (options.type === 'year' || options.type === 'month')

            ,elemCont = that.elemCont[index || 0]
            ,listYM = that.listYM[index]
            ,addSubYeay = function(type){
            var startEnd = ['startDate', 'endDate'][index]
                ,isYear = lay(elemCont).find('.laydate-year-list')[0]
                ,isMonth = lay(elemCont).find('.laydate-month-list')[0];

            //切换年列表
            if(isYear){
                listYM[0] = type ? listYM[0] - 15 : listYM[0] + 15;
                that.list('year', index);
            }

            if(isMonth){ //切换月面板中的年
                type ? listYM[0]-- : listYM[0]++;
                that.list('month', index);
            }

            if(isYear || isMonth){
                lay.extend(dateTime, {
                    year: listYM[0]
                });
                if(isAlone) that[startEnd].year = listYM[0];
                options.range || that.done(null, 'change');
                that.setBtnStatus();
                options.range || that.limit(lay(that.footer).find(ELEM_CONFIRM), {
                    year: listYM[0]
                });
            }
            return isYear || isMonth;
        };

        return {
            prevYear: function(){
                if(addSubYeay('sub')) return;
                dateTime.year--;
                that.checkDate('limit').calendar();
                options.range || that.done(null, 'change');
            }
            ,prevMonth: function(){
                var YM = that.getAsYM(dateTime.year, dateTime.month, 'sub');
                lay.extend(dateTime, {
                    year: YM[0]
                    ,month: YM[1]
                });
                that.checkDate('limit').calendar();
                options.range || that.done(null, 'change');
            }
            ,nextMonth: function(){
                var YM = that.getAsYM(dateTime.year, dateTime.month);
                lay.extend(dateTime, {
                    year: YM[0]
                    ,month: YM[1]
                });
                that.checkDate('limit').calendar();
                options.range || that.done(null, 'change');
            }
            ,nextYear: function(){
                if(addSubYeay()) return;
                dateTime.year++
                that.checkDate('limit').calendar();
                options.range || that.done(null, 'change');
            }
        };
    };

    //日期切换事件
    Class.prototype.changeEvent = function(){
        var that = this
            ,options = that.config;

        //日期选择事件
        lay(that.elem).on('click', function(e){
            lay.stope(e);
        });

        //年月切换
        lay.each(that.elemHeader, function(i, header){
            //上一年
            lay(header[0]).on('click', function(e){
                that.change(i).prevYear();
            });

            //上一月
            lay(header[1]).on('click', function(e){
                that.change(i).prevMonth();
            });

            //选择年月
            lay(header[2]).find('span').on('click', function(e){
                var othis = lay(this)
                    ,layYM = othis.attr('lay-ym')
                    ,layType = othis.attr('lay-type');

                if(!layYM) return;

                layYM = layYM.split('-');

                that.listYM[i] = [layYM[0] | 0, layYM[1] | 0];
                that.list(layType, i);
                lay(that.footer).find(ELEM_TIME_BTN).addClass(DISABLED);
            });

            //下一月
            lay(header[3]).on('click', function(e){
                that.change(i).nextMonth();
            });

            //下一年
            lay(header[4]).on('click', function(e){
                that.change(i).nextYear();
            });
        });

        //点击日期
        lay.each(that.table, function(i, table){
            var tds = lay(table).find('td');
            tds.on('click', function(){
                that.choose(lay(this));
            });
        });

        //点击底部按钮
        lay(that.footer).find('span').on('click', function(){
            var type = lay(this).attr('lay-type');
            that.tool(this, type);
        });
    };

    //是否输入框
    Class.prototype.isInput = function(elem){
        return /input|textarea/.test(elem.tagName.toLocaleLowerCase());
    };

    //绑定的元素事件处理
    Class.prototype.events = function(){
        var that = this
            ,options = that.config

            //绑定呼出控件事件
            ,showEvent = function(elem, bind){
                elem.on(options.trigger, function(){
                    bind && (that.bindElem = this);
                    that.render();
                });
            };

        if(!options.elem[0] || options.elem[0].eventHandler) return;

        showEvent(options.elem, 'bind');
        showEvent(options.eventElem);

        //绑定关闭控件事件
        lay(document).on('click', function(e){
            if(e.target === options.elem[0]
                || e.target === options.eventElem[0]
                || e.target === lay(options.closeStop)[0]){
                return;
            }
            that.remove();
        }).on('keydown', function(e){
            if(e.keyCode === 13){
                if(lay('#'+ that.elemID)[0] && that.elemID === Class.thisElem){
                    e.preventDefault();
                    lay(that.footer).find(ELEM_CONFIRM)[0].click();
                }
            }
        });

        //自适应定位
        lay(window).on('resize', function(){
            if(!that.elem || !lay(ELEM)[0]){
                return false;
            }
            that.position();
        });

        options.elem[0].eventHandler = true;
    };


    //核心接口
    laydate.render = function(options){
        var inst = new Class(options);
        return thisDate.call(inst);
    };

    //得到某月的最后一天
    laydate.getEndDate = function(month, year){
        var thisDate = new Date();
        //设置日期为下个月的第一天
        thisDate.setFullYear(
            year || thisDate.getFullYear()
            ,month || (thisDate.getMonth() + 1)
            ,1);
        //减去一天，得到当前月最后一天
        return new Date(thisDate.getTime() - 1000*60*60*24).getDate();
    };

    //暴露lay
    window.lay = window.lay || lay;

    //加载方式
    isLayui ? (
        laydate.ready()
            ,layui.define(function(exports){ //layui加载
            laydate.path = layui.cache.dir;
            exports(MOD_NAME, laydate);
        })
    ) : (
        (typeof define === 'function' && define.amd) ? define(function(){ //requirejs加载
            return laydate;
        }) : function(){ //普通script标签加载
            laydate.ready();
            window.laydate = laydate
        }()
    );

}();
